enricobuehler
38b7507440
Three changes to make a reproducible Fedora KDE host install: - ci/fedora-rpm.Dockerfile: parameterize the Fedora base (ARG FEDORA_VERSION, default 43) so the same builder produces the Bazzite (F43, libavcodec.so.61) and Fedora 44 (libavcodec.so.62) RPMs. A binary RPM is soname-coupled to its base, so each target Fedora needs its own build/channel. - spec: install punktfunk-kde-session.service (was in the tree but never packaged) with its ExecStart repointed from the dev source tree to the installed run-headless-kde.sh. This is the headless `kwin --virtual` session (KWIN_WAYLAND_NO_PERMISSION_CHECKS=1) the kwin backend needs — an interactive Plasma session refuses to hand its privileged zkde_screencast protocol to an external client, so a dedicated session is required. Not enabled by default (kwin hosts opt in). - ship packaging/kde/host.env as host.env.kde — the ready KWin appliance config (wayland-kde). Validated live on a Fedora 44 KDE box (RTX 4090): KWin virtual output + zero-copy dmabuf->CUDA->NVENC. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
57 lines
3.5 KiB
Docker
57 lines
3.5 KiB
Docker
# CI builder for the punktfunk RPM. The Fedora version is parameterized so one Dockerfile
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# serves every target whose ffmpeg soname must match: Fedora 43 == Bazzite's base (group
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# "bazzite"), Fedora 44 == the Fedora KDE spin (group "fedora-44"). The RPM's auto-generated
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# library Requires (e.g. libavcodec.so.NN) pin to exactly what the chosen base — and thus the
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# target — ships. Used by .gitea/workflows/rpm.yml; built+pushed by .gitea/workflows/docker.yml.
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#
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# docker build --build-arg FEDORA_VERSION=43 -f ci/fedora-rpm.Dockerfile -t punktfunk-fedora-rpm ci
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# docker build --build-arg FEDORA_VERSION=44 -f ci/fedora-rpm.Dockerfile -t punktfunk-fedora44-rpm ci
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#
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# Mirrors ci/rust-ci.Dockerfile (the Ubuntu workspace builder) for the rpmbuild side.
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ARG FEDORA_VERSION=43
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FROM fedora:${FEDORA_VERSION}
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# RPM Fusion (free + nonfree) provides the NVENC-capable ffmpeg-devel the host links against.
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RUN dnf -y install \
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"https://mirrors.rpmfusion.org/free/fedora/rpmfusion-free-release-$(rpm -E %fedora).noarch.rpm" \
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"https://mirrors.rpmfusion.org/nonfree/fedora/rpmfusion-nonfree-release-$(rpm -E %fedora).noarch.rpm" \
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&& dnf -y install \
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# rpmbuild + source-tarball tooling; nodejs runs the Gitea Actions JS (checkout/cache)
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rpm-build rpmdevtools systemd-rpm-macros git tar gzip nodejs \
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# build toolchain + bindgen
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gcc gcc-c++ clang clang-devel cmake nasm pkgconf-pkg-config curl ca-certificates \
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# ffmpeg (NVENC), capture/audio/display link deps
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ffmpeg-devel pipewire-devel wayland-devel libxkbcommon-devel opus-devel \
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mesa-libGL-devel mesa-libgbm-devel \
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# punktfunk-client link deps (GTK4 shell + SDL3 gamepads)
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gtk4-devel libadwaita-devel SDL3-devel \
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&& dnf clean all
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# libcuda link stub — the zerocopy path links a fixed set of cuXxx driver symbols, but CI has
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# no GPU and never RUNS CUDA. Rather than drag in the NVIDIA userspace stack, synthesize a stub
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# libcuda.so.1 that just defines those symbols (the SAME approach the Ubuntu image takes with the
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# real driver lib, minus the driver). On Bazzite the real driver provides libcuda.so.1 at runtime.
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# The symbol list is `nm -D --undefined-only` of the built host binary; a new cu* call would fail
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# the link with a clear "undefined reference", flagging this list to update.
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RUN set -eux; : > /tmp/cuda_stub.c; \
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for s in cuCtxCreate_v2 cuCtxSetCurrent cuCtxSynchronize cuDestroyExternalMemory \
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cuDeviceGet cuExternalMemoryGetMappedBuffer cuGraphicsGLRegisterImage \
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cuGraphicsMapResources cuGraphicsSubResourceGetMappedArray cuGraphicsUnmapResources \
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cuGraphicsUnregisterResource cuImportExternalMemory cuInit cuMemAllocPitch_v2 \
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cuMemcpy2D_v2 cuMemFree_v2; do \
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echo "int $s(void){return 0;}" >> /tmp/cuda_stub.c; \
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done; \
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gcc -shared -fPIC -Wl,-soname,libcuda.so.1 -o /usr/lib64/libcuda.so.1 /tmp/cuda_stub.c; \
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ln -sf libcuda.so.1 /usr/lib64/libcuda.so; \
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rm -f /tmp/cuda_stub.c; ldconfig; test -e /usr/lib64/libcuda.so
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# Rustup (not Fedora's packaged rust) so rust-toolchain.toml's pinned channel resolves, matching
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# the Ubuntu builder. Shared location so jobs running as any uid can use it.
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ENV RUSTUP_HOME=/usr/local/rustup \
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CARGO_HOME=/usr/local/cargo \
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PATH=/usr/local/cargo/bin:$PATH
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RUN curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs \
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| sh -s -- -y --no-modify-path --profile minimal \
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&& chmod -R a+w "$RUSTUP_HOME" "$CARGO_HOME" \
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&& rustc --version && cargo --version
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